You think you’re fierce because you’ve heard of the J. Sisters … and you know everything there is to know about the Brazilian bikini wax? (In other words, been there, done that?)

Clearly not all of that.

Haven, the plush SoHo spa, this week ups the ante by introducing a new treatment that asks: Why settle for the racing stripe when you can take it all off?

The latest in bare-all truth: A new treatment called “The Sphynx,” the most serious bikini wax in town.

(It’s aerodynamic! Go swim team, go!)

Using organic honey wax, the half-hour-long procedure lasts approximately three to four weeks.

As one fan candidly put it, “It’ll make you feel like a kid again.” Just to fit within your kid allowance, the first 15 DailyCandy customers get an additional 10 percent off.